<template>
    <div :class="className" :style="{ height: height, width: width }" />
</template>

<script>
import * as echarts from 'echarts'
require('echarts/theme/macarons') // echarts theme
import resize from './mixins/resize'
const animationDuration = 6000
export default {
    mixins: [resize],
    props: {
        className: {
            type: String,
            default: 'chart'
        },
        width: {
            type: String,
            default: '100%'
        },
        height: {
            type: String,
            default: '300px'
        }
    },
    data() {
        return {
            chart: null
        }
    },
    mounted() {
        this.$nextTick(() => {
            this.initChart()
        })
    },
    beforeDestroy() {
        if (!this.chart) {
            return
        }
        this.chart.dispose()
        this.chart = null
    },
    methods: {
        initChart() {
            this.chart = echarts.init(this.$el, 'macarons')

            this.chart.setOption({
                tooltip: {
                    trigger: 'axis',
                    axisPointer: {
                        // 坐标轴指示器，坐标轴触发有效
                        type: 'shadow' // 默认为直线，可选为：'line' | 'shadow'
                    }
                },
                grid: {
                    top: 10,
                    left: '2%',
                    right: '2%',
                    bottom: '3%',
                    containLabel: true
                },
                xAxis: [
                    {
                        type: 'category',
                        data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'],
                        axisTick: {
                            alignWithLabel: true
                        }
                    }
                ],
                yAxis: [
                    {
                        type: 'value',
                        axisTick: {
                            show: false
                        }
                    }
                ],
                series: [
                    {
                        name: 'pageA',
                        type: 'bar',
                        stack: 'vistors',
                        barWidth: '60%',
                        data: [79, 52, 200, 334, 390, 330, 220],
                        animationDuration
                    },
                    {
                        name: 'pageB',
                        type: 'bar',
                        stack: 'vistors',
                        barWidth: '60%',
                        data: [80, 52, 200, 334, 390, 330, 220],
                        animationDuration
                    },
                    {
                        name: 'pageC',
                        type: 'bar',
                        stack: 'vistors',
                        barWidth: '60%',
                        data: [30, 52, 200, 334, 390, 330, 220],
                        animationDuration
                    }
                ]
            })
        }
    }
}
</script>
